| 摘要 |
PURPOSE: A motor operation part malfunction protecting circuit of an anti-lock brake system(ABS) is provide to block input of an incomplete signal to a motor operation part, thereby securing stability of the motor operation part. CONSTITUTION: A first wire disconnection detection part(10) inputs different voltage compared to each other according to a wire connection state of an ECU(Electronic Control Unit) ground connection(20). A second wire disconnection detection part(30) inputs different voltage compared to each other according to a wire connection state of a motor ground connection(40). A comparator(50) is connected to a switching part(63). The switching part switches the voltage inputted to a motor. The comparator controls output from the switching part according to the voltage inputted from the first and second wire disconnection detection parts. |
